Weighing-scale.



ALLEN DE UNITED strains Parente OFFICE.

vILBrss, JR., or TOLEDO, OHIO, Assre'non'ro TOLEDO comme SCALE COMPANY, or rronnno, OHIO, A conronarron or Nnwannsny.'

WEIG-HING-SCALE.

S'pecicaton of Letters Patent. Patented Nov, 14

Appncaaon mea November-17. 190s. serial No.' 4e3,o4.1.

T o all'whom 'it may concern: Beit known that I, ALLEN DE VILBISS,

Jr., a citizen of the United States, residing shaft extending axially at right angles to the index journal and operatively connected to load-supporting and counter-balancing or weighing devices.

One object of the present invention is to simplify the lgearing and provide for reducing the surface movement of the chart so that it can carry a greater number of computation numerals or graduations.

Another object is to apply the pendulum principle to a scale of this type in a practical manner, in which connection the inventionfprovides for utilizing a member of the gearing to servethe purpose of a pendulum. A further object is to provide an im proved arrangement for securing -a yield.- ing enga-gement of the gearing which prevents lost motion and at the same time obviates undue friction.

With the above and incidental objects in view the invention consists in certain novel features of constructionrand combinations an ,weighted outwardly beyond the pivot- Fig. 3' is a sectional view on an enlarged scale taken on theline 3 3 of Flg. 2; and

Fig. 4 is'a detail sectional view taken on the line 4:-41 of Fig. 2.

The reference numeral 2 designates a suit' able supporting base from which rises near one end a standard 3 supporting a scale beam 4.- pivotally mounted through knife inthe usual or anyjsutable manner` as indicated at 5. 0n the-opposite side of the p1vot the beam supports a suitable goods receiver 6. At the opposite end of the base there arises a .frame 7 in the upper part of which are mounted suitable bearings 9 between which eXtends'a rock shaft 10 having knife edges l1 resting on said bearings.

This rock shaft extends horizontally and carries an eccentric sector 12 over which lies a strap or band 13 secured at theupper endto said sector and carrying at-its lower end a stirrup 14C engaging the inner end.

of the scale beam, all as clearly shown in Fig. 1.' A .v

On a. point bearing 15 on the base 2With in the frame 7 is /supported the lowerend of a vertical shaft 16 Whose upper end is journaled in a bearing screw 17 supported by a superstructure 18,011 the frame 7. There is secured to this shaft a frusto-coni- 'cal chart. 20 bearing circumferential rows of weight graduations and computation nu merals such as commonly employed in scales of this type and also rows of weight numer- `als and graduations '21 and 22, one to be read by thecustomer and one by the user. Aportion o'f said super-structure is inthe form of a rectangular frame 23 which supports a plate 2a bearing a series of price numerals. Such plate may be transparent and marked with a reading line to intersect the rows of graduations and numerals on the chart or provision may be 'Otherwise made for properly locatingthe computation i numeral or graduation and the weight in-v dication'. The chart is inclosed in acasing 2fa with suitable openings to disclose the weight and com utation numerals. Near its lower end sai shaft 16 has secured to it ,a gear wheel 25 slightly beveled and there is hung from the rock shaft 4l() a crown gear segment '2 6 correspondingly beveled and meshing with said gear wheel 25. g This gear segment is out in the flange of an arm.27 which is bifurcatedat ltsqupper end. as'

more clearly shown i'n Fig. 3 to support bearing screws 28 which engage sockets in lugs 29 on the rock shaft 10 projecting therefrom at diametrically Opposite points, The arm 27 at one end of its widened-lower' los.

portion carries a Weight 30 f or the'purpose j Of-constituting. suoli anni a pendulum.` f Ihus the weight. norm lly swingsthe' arm tothe. right las the, eflfssvfn Fia-:1, Spondnglr-srieging'thewwr 12m@ hold-f 1' ing up the innerend'of thebeani a and con- -sequent'ly'holding up the goods receiver. It

scales.'v vThe swinging *of 'rt-he pendulum,

lwhich is integral-with the segmental gea'i` .26,- causes-the Shaft 16 tobe rotated and the chart turned to 'bringthe proper 'computation and weight graduations behind "theb reading line of the plate 24:.

'-i'lfhe Vabove-described pivotal mounting of .fthe 'arm 27 on 4the rock shaft provides for -said'arm swinging axially of said shaft and this means thatA the segmental gear'` 26S-may"- swing the gear wheel 25. The weightI 3 0, besides' in a direction substantially radial, of

performingthe l function. above described, also yieldingly holds-said gear segment in 25 msh with the @when 25 but prefer-any y special .we'ig t 3l!- is employed for this purpose, being adjustably mounted upon an elongated stud 32, all-as shown more clearly in F1g..2.A bracket Sf'is adj ustably mounted upon ther-base 2 with-its upstanding arm in front of the lower part .of the gear segment arm 27, such bracket serving thepurf pose of preventing unmeshing of the gears.

- multiplication of movement as to the sur-v A counter-balancing weight 35 may be employed, adjustably' mounted on a rod 3 6 projecting from the rock shaft 10, such weight serving to secure the necessary normal equilibrium ofthe scale.

It will be seen that with the segmental gea-r 26 extending on an arc of. a comparatively Vlarge circle and the gear wheel of such size as it can readilyhave for coperation with the segment, there is no great face of the chart,A consequently the latter can be sub-divided to agreat extent allowaxially of I the teeth.

ing for V.an unusual range ,of computations. It will also be seen that the arrangement of the' it'sel ,lum 'principle.

parent that the desirable yielding engagement between the intermeshing gears is effected in a simple and reliable manner, thc yielding pressure being rather radial of the gear wheel on the index shaft or in the direction of the depth of the gear teeth, than such gearwheel or lengthwise 01"' so that there is not a wedging effect brought about by the yielding pressure lbut merely a tendency to directly intermesh the gears to the depth of their teeth.

'lhe form of gearing above described and is'mode of connection with the scale beam provides for multiplication of movement to a direct application of the pendu:

load placed' o n the gearingis extremely simple and lends It--will furthermore be apscgment yieldingly engages.

of the segmental gear as compared 'with the movement of the beam so that with-the lat- .terfrestricted to the preferable relatively limited 4 range-fof vibration, nevertheless a j comparatively .large g'ear can be'used on the index journal lwith a corresponding lessening of exaggeration-'015.21115'. slight imperfections in the gearing when their movement is multiplied on the surface of the chart.

Thisisexplained. by the fact that the 'eccentric disk or arm is considerably shorterl than the segment gea-r arm and the'up-and-down moi-'ement of the inner nd of the beam accords with that of the slorter arm,v the I'novement being multiplied atA .thehextremity of the longer arm wherev thegear segment 1s located. lVhat is'. claimed is:

1; In a weighing scale, the combination of an oscillatory support, means normally hold-f ing ityieldingly to one extreme of movement, said support adapted to be moved in- 'the opposite direction by an' applied load;

'an index journal extending at right angles to -the axis of -said oscillatory support; a. f gear on said journal; and a gear` pivotally mounted on' the oscillatory support toswin'g toward the-gear on the index journal and yieldingly held in mesh therewith.

2. In a weighing scale, the combination of I an dsoillatory support, means normally hold- -ing| it yieldingly to one extreme of movement, said support adaptedto be moved in the opposite direction by an applied load; an index journal extending at rightv angles to the axis of' said oscillatory support; a

gear on said journal; and a gear'segment pivotally mounted on the oscillatory sup'- port to swing toward the gear on the index, journal and yieldingly heldin mesh there- 3. In a pendulum weighing scale, 'the combination of an oscillatory support, a

gear pivotally mounted on said. support to swing toward the gearA on the index journal;

a .pendulum weight holding said first mentio'ned gear normally to one extreme of its movement opposed to an applied load; and

an index journal extending at right angles to the said oscillatory support and carrying a gear with which the first-mentioned gear yieldingly engages.' v

4C. In a pendulum weighing scale, the combinationof an oscillatory support; a gear Vsegment pivotally mounted o n .said support to swing toward the gear on 'the index journal; a pendulum weight holding said gear segment normally to one extreme of its movement-opposed to an applied load; and an index journal extending at right angles to the said oscillatory support and carryinga gear with whichnthe said gear 5. In-a Weighing s cale,the combination of a'pivoted beam weighted on one side 'of its llo pivot and carrying' a' load receiver on 'the opposite side of its pivot; an oscillatory support; operating connections between the same and Said beam; a Ygear pivotally mounted on saidsupport to swing toward the gear on the index journal; an indeX journal extending at right angles tothe axisg otf' raid support and carrying a gear with which the urst-mentioned gear yieldingly engages; and means for yieldingly holding the oscillatory' support to one extreme of its movement opposed to an applied oad.

6. In a weighing scaie the combination of a pivoted beam Weighted on one side of its pivot carrying a load receiver on the o-gvposite side ,of its pivot; 'an oscillatory supporta loperating connections between the and said beam; a gear pivotally 'mounted on saidsupport to siting towardl v 'gournah index the gear on the indeaf journal. extending at right angles toatlie axis o said support and carrying' with combination of' a `horizontally arranged beam or lever Weighted Aon one side of itsv pivot .and .oarrying'a load receiver on' Jdie opposite Side of its pivot; va r'oekshaft horlzontally arranged 'at right angles vto thebeam and operatively connected therewith;

a gear segment pivotally hung from said shaft to swing toward the gear en tlie index journal a pendulum' Weight resistmg movement ofnthe rock shaft and gear segmentV under an applied load; and a vertical index journal carrying a gear with which the gear segment is yieldingly engaged.

dALLEN DE VILBISS, JR. v`i/'itnesses G.' WQ GRAHAM, THos.. 1WYLIE. 

